Tub spout



FIG. 1 is a front perspective view of a tub spout showing my new design;

FIG. 2 is a right side elevational view thereof, the left side being a mirror image of the right side shown;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a top plan view thereof; and

FIG. 5 is a bottom plan view thereof.

The broken line representation of a diverter button in FIGS. 1 through 4 is for purposes of illustration only and forms no part of the claimed design. 

The ornamental design for a tube spout, as shown and described. 